Fine blanking die for automobile part machining

By designing a linkage mechanism to achieve automatic material feeding, the problem of metal scrap left on the workbench requiring manual cleaning in existing technologies has been solved, improving production efficiency and reducing safety risks.

CN223997108UActive Publication Date: 2026-03-17HONGZHENG PRECISION TECHNOLOGY (TAICANG) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In current automotive parts processing, the waste material from stamping is left on the workbench and needs to be manually cleaned, which poses safety risks and low efficiency.

Method used

A precision stamping die for automotive parts processing was designed. Automatic material feeding is achieved through a linkage mechanism. The closing and demolding actions of the punch and die drive the ejector plate to automatically clean the stamped metal material. The continuous stamping channel formed by the die and through hole facilitates material flow and forming.

Benefits of technology

It improves production efficiency, reduces the hassle and cost of manual cleaning, and lowers the safety risks for workers cleaning metal scrap.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223997108U_ABST
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Abstract

The utility model discloses a fine blanking die for machining automobile parts, which relates to the technical field of part stamping and comprises a lower die holder, a guide post and a guide sleeve are arranged above the lower die holder, and a waste blanking hopper is obliquely arranged on one side of a worktable. The strip-shaped sliding grooves formed in the first mounting plate and the second mounting plate and the first connecting pin and the second connecting pin arranged in the strip-shaped sliding grooves provide flexible rotating and sliding rails for the first connecting rod and the second connecting rod, so that a connecting rod mechanism is formed, and the connecting rod mechanism can move flexibly; the connecting rod mechanism drives the material pushing plate to be far away from the workbench to provide space for the stamping process, after stamping is completed, when the male die and the female die are demolded, the male die ascends upwards, the material pushing plate is driven to move towards the surface of the workbench through transmission of the connecting rod mechanism, and the whole stamped metal material is pushed and cleaned, so that the production efficiency is improved, and the production cost is reduced. And the trouble and the cost of manual cleaning are reduced.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts stamping technology, specifically to a fine stamping die for automotive parts processing. Background Technology

[0002] Fine stamping dies are dies specifically designed for precision stamping. They use stamping to plastically deform and cut metal materials within the die to obtain precision parts of the required shape and size. In automobile manufacturing, fine stamping dies are used to produce various precision parts, such as engine parts and body parts, which are crucial to the performance and safety of automobiles.

[0003] During the stamping process of existing automotive parts, the stamped metal material is left on the worktable and needs to be cleaned manually.

[0004] For example, in the stamping die for automobile parts production disclosed in CN221869965U, the stamped parts made of metal material fall into the groove of the lower die. However, the whole piece of metal waste left after stamping is left on the worktable and needs to be cleaned manually. Therefore, after the stamping die has been used for stamping, the whole piece of metal waste left on the worktable needs to be cleaned manually to remove the remaining metal material. When cleaning the waste manually, workers may come into contact with sharp metal edges, which increases the difficulty and danger of cleaning and poses safety risks such as scratches and cuts.

[0005] Therefore, it is necessary to invent a fine stamping die for processing automotive parts to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a precision stamping die for processing automotive parts, in order to solve the problem that scrap metal material left on the worktable after stamping requires manual cleaning.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a precision stamping die for processing automotive parts, comprising a lower die base, a guide post and a guide sleeve disposed above the lower die base, an upper die base disposed at the top of the guide sleeve, a support platform disposed above the lower die base, a first mounting plate disposed at the front and rear ends of the support platform, a second mounting plate disposed on the bottom surface of the upper die base corresponding to the position of the first mounting plate, a first connecting rod hinged to one end side wall of the first mounting plate, a second connecting rod hinged to one end side wall of the second mounting plate, the intersection of the first and second connecting rods being movably connected, a sleeve hinged to the other side of the front end of the first mounting plate, a pusher plate connected to the front side of the sleeve and located on one side above the worktable, and a waste hopper disposed at an incline on one side of the worktable.

[0008] Preferably, there are four guide pillars and guide sleeves, and the four guide pillars and guide sleeves are slidably connected. The top part of the guide pillar extends into the interior of the guide sleeve to ensure accurate guidance and stable movement of the upper die holder during the stamping process.

[0009] Preferably, a mold handle is provided at the center of the top surface of the upper mold base, a fixing plate is connected below the mold handle, a punch is provided at the center of the bottom surface of the fixing plate, and a worktable is provided above the support platform to facilitate connection with stamping equipment and realize quick clamping and positioning of the mold.

[0010] Preferably, a matching die is provided at the position of the punch on the worktable. The die extends into the support table, and its extension is connected to a through hole on the support table. A workpiece hopper is provided at the bottom of the die and the through hole. The punch and the die cooperate to realize the stamping of the workpiece. The die and the through hole form a continuous stamping channel, which facilitates the smooth discharge and collection of the workpiece after stamping.

[0011] Preferably, the first mounting plate and the second mounting plate are provided with strip grooves. The first mounting plate has a first connecting pin inside the strip groove. The first connecting pin is hinged to the top of the first connecting rod, providing a sliding track for the first connecting pin and the second connecting pin, so as to realize the flexible movement of the connecting rod.

[0012] Preferably, a second connecting pin is provided inside the strip groove on the second mounting plate, and the second connecting pin is hinged to the top of the second connecting rod to realize the rotation and sliding of the second connecting rod.

[0013] Preferably, a sliding sleeve is provided on the front side of the second connecting pin and is located on one side of the front end of the first mounting plate to provide sliding support for the moving block and realize the stable sliding of the moving block.

[0014] Preferably, the sleeve has a through groove inside, and a movable block is slidably installed inside the through groove. A connecting rod is connected to one side of the movable block and extends through the sleeve to the outer wall of the sliding sleeve. The movable block is connected to the outer wall of the sliding sleeve through the connecting rod to realize a certain motion transmission or conversion.

[0015] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0016] 1. The strip grooves opened on the No. 1 and No. 2 mounting plates of this utility model, as well as the No. 1 and No. 2 connecting pins set inside them, provide flexible rotation and sliding tracks for the No. 1 and No. 2 connecting rods, thus forming a linkage mechanism that enables flexible movement. When the punch and die are closed, the linkage mechanism drives the push plate away from the worktable, providing space for the stamping process. When the stamping is completed and the punch and die are demolded, the punch rises upward and, through the transmission of the linkage mechanism, drives the push plate to move towards the worktable surface to push and clean the stamped metal material. This design not only improves production efficiency but also reduces the trouble and cost of manual cleaning.

[0017] 2. In this utility model, the die extends into the support platform and is connected to the through hole, forming a continuous stamping channel, which facilitates the flow and forming of materials during the stamping process. The workpiece discharge hopper at the bottom of the die and the through hole facilitates the smooth discharge and collection of the workpiece after stamping, thus improving production efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a three-dimensional cross-sectional structural diagram of the lower mold base and the upper mold base of this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the strip groove and connecting pins No. 1 and No. 2 of this utility model.

[0021] Figure 4 This is a three-dimensional cross-sectional structural diagram of the sleeve of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the waste hopper of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Lower mold base; 2. Guide pillar; 3. Guide sleeve; 4. Upper mold base; 5. Mold shank; 6. Fixing plate; 7. Punch; 8. Support platform; 9. Worktable; 10. Die; 11. Workpiece hopper; 12. Mounting plate No. 1; 13. Mounting plate No. 2; 14. Connecting rod No. 1; 15. Connecting rod No. 2; 16. Strip groove; 17. Connecting pin No. 1; 18. Connecting pin No. 2; 19. Sliding sleeve; 20. Sleeve; 21. Through groove; 22. Moving block; 23. Connecting rod; 24. Push plate; 25. Scrap hopper. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model provides, for example Figure 1-5 The illustration shows a precision blanking die for processing automotive parts, comprising a lower die base 1, with guide pillars 2 and guide sleeves 3 disposed above the lower die base 1. Four guide pillars 2 and guide sleeves 3 are provided, and the four guide pillars 2 and guide sleeves 3 are slidably connected. The top ends of the guide pillars 2 extend into the interior of the guide sleeves 3. An upper die base 4 is disposed at the top of the guide sleeves 3. A support platform 8 is disposed above the lower die base 1, and mounting plates 12 are disposed at the front and rear ends of the support platform 8. The bottom surface of the upper die base 4 corresponds to this mounting plate 12. A second mounting plate 13 is provided at the position of the first mounting plate 12. A first connecting rod 14 is hinged to one side wall of the first mounting plate 12, and a second connecting rod 15 is hinged to one side wall of the second mounting plate 13. The intersection of the first connecting rod 14 and the second connecting rod 15 is a movable connection. A sleeve 20 is hinged to the other side of the front end of the first mounting plate 12. A pusher plate 24 is connected to the front side of the sleeve 20 and is located on one side above the workbench 9. A waste hopper 25 is inclined on one side of the workbench 9.

[0027] A mold shank 5 is provided at the center of the top surface of the upper mold base 4. A fixing plate 6 is connected below the mold shank 5. A punch 7 is provided at the center of the bottom surface of the fixing plate 6. A workbench 9 is provided above the support platform 8. A matching die 10 is provided on the workbench 9 at the position corresponding to the punch 7. The die 10 extends into the support platform 8, and its extension is connected to the through hole opened on the support platform 8. A workpiece feeding hopper 11 is provided at the bottom of the die 10 and the through hole.

[0028] In this embodiment, the cooperation between the punch 7 and the die 10 enables the stamping of the workpiece. The die 10 extends into the support platform 8 and is connected to the through hole, forming a continuous stamping channel, which facilitates the flow and forming of materials during the stamping process. The workpiece discharge hopper 11 facilitates the smooth discharge and collection of the workpiece after stamping, reducing the trouble and cost of manual cleaning.

[0029] The first mounting plate 12 and the second mounting plate 13 are provided with strip grooves 16. The first connecting pin 17 is provided inside the strip groove 16 on the first mounting plate 12. The first connecting pin 17 is hinged to the top of the first connecting rod 14. The second connecting pin 18 is provided inside the strip groove 16 on the second mounting plate 13. The second connecting pin 18 is hinged to the top of the second connecting rod 15. A sliding sleeve 19 is provided on the front side of the second connecting pin 18 and is located on one side of the front end of the first mounting plate 12. A through groove 21 is provided inside the sleeve 20. A moving block 22 is slidably installed inside the through groove 21. A connecting rod 23 is connected to one side of the moving block 22 and extends through the sleeve 20 to the outer wall of the sliding sleeve 19.

[0030] In this embodiment, the cooperation between the strip groove 16 and the first connecting pin 17 and the second connecting pin 18 provides a flexible rotation and sliding track for the first connecting rod 14 and the second connecting rod 15, enabling them to move flexibly. The first connecting rod 14 and the second connecting rod 15 form a stable linkage mechanism that can transmit and convert motion, allowing the linkage mechanism to move accordingly based on the mold closing and demolding actions of the punch 7 and the die 10. The cooperation between the sliding sleeve 19 and the moving block 22, as well as the connection of the connecting rod 23, realizes the stable sliding and precise control of the push plate 24. After stamping, the punch 7 rises upward, and through the transmission of the linkage mechanism, it drives the moving block 22 to slide in the through groove 21. Then, through the connecting rod 23, it pushes the sliding sleeve 19 and the push plate 24 to push and clean the material, improving production efficiency.

[0031] Working principle of this utility model:

[0032] Refer to the instruction manual appendix Figure 1-2 When using this utility model, firstly, the upper die base 4 is connected to the stamping equipment through the die handle 5. The stamping equipment is started, and the upper die base 4 drives the punch 7 to move downward and close with the die 10. During the mold closing process, the first connecting rod 14 and the second connecting rod 15 are engaged with the first connecting pin 17 and the second connecting pin 18 through the strip groove 16 and the transmission of the connecting rod mechanism, which drives the push plate 24 away from the worktable 9 to provide space for the stamping process. The punch 7 and the die 10 are tightly engaged to realize the stamping of the workpiece. The stamped workpiece falls out of the die 10 and the through hole and falls into the workpiece feeding hopper 11 at the bottom of the die 10 and the through hole for feeding.

[0033] Refer to the instruction manual appendix Figure 3-5 When using this utility model, after stamping is completed, the stamping equipment drives the upper die holder 4 and the punch 7 to move upward, and the demolding process begins. When the punch 7 rises, the first connecting rod 14 and the second connecting rod 15 start to move in opposite directions through the transmission of the linkage mechanism. The movement of the second connecting rod 15 drives the sliding sleeve 19 to move through the second connecting pin 18. The sliding sleeve 19 then pushes the moving block 22 to slide in the through groove 21 of the sleeve 20 through the connecting rod 23. The sliding of the moving block 22 then pushes the pusher plate 24 to move towards the worktable 9 to push and clean the whole piece of metal material scrap after stamping. The whole piece of metal material scrap is discharged through the scrap hopper 25 that is inclined on one side of the worktable 9.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fine blanking die for processing automobile parts, comprising a lower die seat (1), characterized in that: The lower die seat (1) is provided with guide pillars (2) and guide sleeves (3) above it, the top end of the guide sleeve (3) is provided with an upper die seat (4), the upper die seat (4) is provided with a support table (8) above it, the front and rear ends of the support table (8) are provided with a first mounting plate (12) above it, the bottom surface of the upper die seat (4) is provided with a second mounting plate (13) at the position corresponding to the first mounting plate (12), one end of the side wall of the first mounting plate (12) is hinged with a first connecting rod (14), one end of the side wall of the second mounting plate (13) is hinged with a second connecting rod (15), the intersection of the first connecting rod (14) and the second connecting rod (15) is movably connected, the other side of the front end of the first mounting plate (12) is hinged with a sleeve (20), the front side of the sleeve (20) is connected with a pushing plate (24) and located on one side above the workbench (9), one side of the workbench (9) is provided with a waste discharge hopper (25) in a slope.

2. The fine blanking die for processing an automobile part according to claim 1, characterized in that: The guide pillars (2) and the guide sleeves (3) are provided with four, and the four guide pillars (2) and the guide sleeves (3) are slidably connected, wherein the top end of the guide pillar (2) extends into the guide sleeve (3).

3. The fine blanking die for processing an automobile part according to claim 1, characterized in that: The top surface of the upper die seat (4) is provided with a die handle (5) at the center, the lower side of the die handle (5) is connected with a fixed plate (6), the bottom surface of the fixed plate (6) is provided with a male die (7) at the center, the upper side of the support table (8) is provided with a workbench (9).

4. The fine blanking die for processing an automobile part according to claim 3, characterized in that: The workbench (9) is provided with a matching female die (10) at the position corresponding to the male die (7), the female die (10) extends into the support table (8), and the extension part is in communication with the through hole formed in the support table (8), and the bottom of the female die (10) and the through hole is provided with a workpiece discharge hopper (11).

5. The fine blanking die for processing an automobile part according to claim 1, characterized in that: The first mounting plate (12) and the second mounting plate (13) are provided with a strip-shaped sliding groove (16), the strip-shaped sliding groove (16) on the first mounting plate (12) is provided with a first connecting pin (17) inside, and the top end of the first connecting pin (17) is hingedly connected with the first connecting rod (14).

6. The fine blanking die for processing an automobile part according to claim 5, characterized in that: The strip-shaped sliding groove (16) on the second mounting plate (13) is provided with a second connecting pin (18) inside, and the top end of the second connecting pin (18) is hingedly connected with the second connecting rod (15).

7. The fine blanking die for processing an automobile part according to claim 6, characterized in that: The front side of the second connecting pin (18) is provided with a sliding sleeve (19) and located on one side of the front end of the first mounting plate (12).

8. The fine blanking die for processing an automobile part according to claim 1, characterized in that: The sleeve (20) is provided with a through groove (21) inside, the through groove (21) is slidably provided with a moving block (22) inside, one side of the moving block (22) is connected with a connecting rod (23) and extends through the sleeve (20) to connect to the outer wall of the sliding sleeve (19).

Citation Information

Patent Citations

  • Stamping die for automobile part production

    CN221869965U